From dcd10526ac5a0d6cc94ce60b9acfca458163277b Mon Sep 17 00:00:00 2001 From: Liguang Zhang Date: Mon, 1 Mar 2021 22:05:15 +0800 Subject: ipmi:ssif: make ssif_i2c_send() void This function actually needs no return value. So remove the unneeded check and make it void. Signed-off-by: Liguang Zhang Message-Id: <20210301140515.18951-1-zhangliguang@linux.alibaba.com> Signed-off-by: Corey Minyard --- drivers/char/ipmi/ipmi_ssif.c | 81 +++++++++++-------------------------------- 1 file changed, 20 insertions(+), 61 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 0416b9c9d410..20d5af92966d 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -510,7 +510,7 @@ static int ipmi_ssif_thread(void *data) return 0; } -static int ssif_i2c_send(struct ssif_info *ssif_info, +static void ssif_i2c_send(struct ssif_info *ssif_info, ssif_i2c_done handler, int read_write, int command, unsigned char *data, unsigned int size) @@ -522,7 +522,6 @@ static int ssif_i2c_send(struct ssif_info *ssif_info, ssif_info->i2c_data = data; ssif_info->i2c_size = size; complete(&ssif_info->wake_thread); - return 0; } @@ -531,22 +530,12 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, static void start_get(struct ssif_info *ssif_info) { - int rv; - ssif_info->rtc_us_timer = 0; ssif_info->multi_pos = 0; - rv = ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, - SSIF_IPMI_RESPONSE, - ssif_info->recv, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - /* request failed, just return the error. */ - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(5)\n"); - - msg_done_handler(ssif_info, -EIO, NULL, 0); - } + ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, + SSIF_IPMI_RESPONSE, + ssif_info->recv, I2C_SMBUS_BLOCK_DATA); } static void retry_timeout(struct timer_list *t) @@ -620,7 +609,6 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, { struct ipmi_smi_msg *msg; unsigned long oflags, *flags; - int rv; /* * We are single-threaded here, so no need for a lock until we @@ -666,17 +654,10 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, ssif_info->multi_len = len; ssif_info->multi_pos = 1; - rv = ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, - SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, - ssif_info->recv, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(1)\n"); - - result = -EIO; - } else - return; + ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, + SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, + ssif_info->recv, I2C_SMBUS_BLOCK_DATA); + return; } else if (ssif_info->multi_pos) { /* Middle of multi-part read. Start the next transaction. */ int i; @@ -738,19 +719,12 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, ssif_info->multi_pos++; - rv = ssif_i2c_send(ssif_info, msg_done_handler, - I2C_SMBUS_READ, - SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, - ssif_info->recv, - I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from ssif_i2c_send\n"); - - result = -EIO; - } else - return; + ssif_i2c_send(ssif_info, msg_done_handler, + I2C_SMBUS_READ, + SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, + ssif_info->recv, + I2C_SMBUS_BLOCK_DATA); + return; } } @@ -908,8 +882,6 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, static void msg_written_handler(struct ssif_info *ssif_info, int result, unsigned char *data, unsigned int len) { - int rv; - /* We are single-threaded here, so no need for a lock. */ if (result < 0) { ssif_info->retries_left--; @@ -972,18 +944,9 @@ static void msg_written_handler(struct ssif_info *ssif_info, int result, ssif_info->multi_data = NULL; } - rv = ssif_i2c_send(ssif_info, msg_written_handler, - I2C_SMBUS_WRITE, cmd, - data_to_send, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - /* request failed, just return the error. */ - ssif_inc_stat(ssif_info, send_errors); - - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(3)\n"); - msg_done_handler(ssif_info, -EIO, NULL, 0); - } + ssif_i2c_send(ssif_info, msg_written_handler, + I2C_SMBUS_WRITE, cmd, + data_to_send, I2C_SMBUS_BLOCK_DATA); } else { /* Ready to request the result. */ unsigned long oflags, *flags; @@ -1012,7 +975,6 @@ static void msg_written_handler(struct ssif_info *ssif_info, int result, static int start_resend(struct ssif_info *ssif_info) { - int rv; int command; ssif_info->got_alert = false; @@ -1034,12 +996,9 @@ static int start_resend(struct ssif_info *ssif_info) ssif_info->data[0] = ssif_info->data_len; } - rv = ssif_i2c_send(ssif_info, msg_written_handler, I2C_SMBUS_WRITE, - command, ssif_info->data, I2C_SMBUS_BLOCK_DATA); - if (rv && (ssif_info->ssif_debug & SSIF_DEBUG_MSG)) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(4)\n"); - return rv; + ssif_i2c_send(ssif_info, msg_written_handler, I2C_SMBUS_WRITE, + command, ssif_info->data, I2C_SMBUS_BLOCK_DATA); + return 0; } static int start_send(struct ssif_info *ssif_info, -- cgit v1.2.3